2143045351 has 4 divisors (see below), whose sum is σ = 2178177304. Its totient is φ = 2107913400.

The previous prime is 2143045337. The next prime is 2143045409. The reversal of 2143045351 is 1535403412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143045351 - 2²³ = 2134656743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143045951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17565885 + ... + 17566006.

It is an arithmetic number, because the mean of its divisors is an integer number (544544326).

Almost surely, 2^2143045351 is an apocalyptic number.

2143045351 is a deficient number, since it is larger than the sum of its proper divisors (35131953).

2143045351 is an equidigital number, since it uses as much as digits as its factorization.

2143045351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35131952.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2143045351 is about 46293.0378242776. The cubic root of 2143045351 is about 1289.2697329001.

Adding to 2143045351 its reverse (1535403412), we get a palindrome (3678448763).

The spelling of 2143045351 in words is "two billion, one hundred forty-three million, forty-five thousand, three hundred fifty-one".